Adjustable shore



Beit vvknown that 1I,

` numerulsimaprlredvthereon.`

' place.

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WlfRoosfo/f Cincinnatrl inl tlreeeonnty of Hamilton and v Stateofhio, have irnventedfee'rtain new and nseiil improvements in Adjustable ofir thessamereereneegbeing iha'd; t0 there@- oompanying drawings; jformfiilg @a part of this sspecientionfxland `tto, athe eren'ce- This invention relates to 1 ponts used" finfthetfereetien of f leuilfolilngsv ior' otherestnuctnres, e and a morefpartieulerlyl .to adjustable shores .v=; such .fas ,fare employedl porting steelL orxoonere'te-ginders, beams4r and similtrwforms from' tlflej gloer ,loeloiwji or the ground, While `the* material: ofethefonrni-is f or, untiflithefterreg is seenredj in t hardening Onesobjeeti invention lis#15051)rovi-de an ff adjlisthle ,ashore of simpleg-jafnd@ strong construction'Withzbut-a few-Apartsjeoonomivenient tfand'zrefliabley operation'. Another object is to fprowdezafshore ot this ehargeter 1Whioh `isfeasy tofgpleeerand adjust-,f reqniring f no'Wrenchesferfothenteols andgwhiehfeangbe positively held in adjusted position Without dangenotyieldinge the. partsunder a load.

llopthesef-and:otherendsthe .f-invention e011- i sstsfzintieer-tin; improvements/aridi eombinaf .tionsoifipa'rts all its-.Wi'lllaerhereinaiiter more Aeinbedimentiofzthe ,invention yshowing it.: vin

supporti-ng irelirtion:fte fbesm er :gir er; I

zillustrattirriga thefaelefmpingw-meehztnisin rin re# ist Fig.. 1 #3f 1s rfa; similar f "view showing the @Fi-g. #41 iste!hrfizentiilu.fseetienstl'jl wievs'f-` on ".ADJSTABLESHORE speiclatign tf Letters Patent. 'ippnmmmieamrc-11,14, 1re. .aseiiaim5-.zamen K' Similar referenoe'ehsraeters in the several ligures indicate thessaxneparts.

ln the present-embodiment. '01 -Prierred 4ferm whiehis selected merelvby way of eXeInpli-ication of the principles of the ,in-Y Yvention', there fare employed two relatively rammed Feb. ,f5-1921.

movableiontelesoopie members/ 1() fand '11 pertiallyfextendedto ylering,the:former intof surportme feltl'on with a -fgrder i Orother' form 12, and the latter against thewfloorgor otheriisupporting@surfaee PP member 10 comprises spaced pareille side parts rtl4 andY 115 iomedeattheirlteps .F.byL bloekj 16,3 these; parts. .being .preferablvonconvenient mafnneras bystmps 1 7,

[The lrnember y11 :is preferably 1 of Ymetal tubing and carries atitsf/lower end ahese er foot; 18 y provided -withigopenfings kfor nail'- .i'ngnt tosthefloor asfati 19fif @Sheds-the Pperend @fthe-'member 11:1mi:ngfxa` there MMS head guide 20, of. substan:

.brace theparts Mfandl asa gliideftomaintain lthe :mierribersy y1v1-.amd `1.0 improper. rela@-r tive position during llqngitndinel, 3Q111'11-S3- ment. A ,device for t Asecurely ,mgiintining `the :members in engagement withregeltl other t and re lativelvfrl immovable ingaxiy f: adjusted L 4positioni is provided insa ,pairfo'f. snbsten t tie-Hy; #shaped yekesf22feecht-of. rvhhrine1eSeSf- ...thermmber @11 and fembresfet v its .ends one 'ofthe parts 14 and'15 of the-In em @be/12110, being 'rivotally VAswimad. .thema-'by means ofaf'spindle,`,'23, the pariset; niemberl() having portions j ent aweyet 24;101

25,' -.,`a11d.are provided: with ebevldgnimiig surfaces conforming inoutl'ine the surafaiee yokes 22 tot (somewhat in thegl nature. Nof"4 a. pai-r of -gtongsl s0 that. frietiorrikbetween3 the g'rfp theflattermember when eleedfsiplaced "en :the :urpfirfzlembr 10; theta-frs Mend 1115 of whiehiharve a sufficient movementtoward A1F05 enikfrorlrt,webOthenfu ab their lewreeriflsfto f Ift; will gunders'tood1 e v 1190 -g'igippinggsurfaees @6i-ind:thexnemberlllwill' #tend toeause .the yokes tofcloselandtiglitly.

A securing or clamping device is provided in a bolt 27 passing through openingsin the parts 14 and 15 adjacent the gripping yokes, and having a squared section 28 adjacent its head fitting in a similar opening.

each other. This clamping action serves to force fthe gripping kyolres into ysecure engagement with member 11, ifV not already so engaged, and maintains these parts in such I relation, thereby insuring efficient gripping action of the yokes and positively maintaining the members of the shore in adjusted relation. 'f Y Y A lifting device is provided for extending members 10 and V11 relatively'to each other against the pressure of theload having a forked member 33 carrying a spindle 34 on which is pivotally supported a member 35 having a hook-like extension 36 formed to embrace and securely engage the lower member 11. The arms of the part 33 are provided with cam surfaces 37 adapted for coperation with the lower ends' of parts 14 and 15 which are preferably protected by lmetal straps 38. Member 33 hasattached thereto an operating handle 39 and it v.will be apparent from the construction of this device that the hook 36 may be frictionally engaged with the member 11 and the arms of part 33 with the lower ends of parts 14 and 15 ofI theiupper member 10, so that downward actuation of the handle will lift the member 10 and effect a Y relative longi-Y tudinal adjustment of these members into supporting relation with the 'girder or other upper member of the device if so desired.

By means'of the lifting device, members 10 and 11 are longitudinally adjusted, the grippingyokes, lwith the aid of the clamping Ydevice if found necessary,holding the upper member in position at the end of each op-` .eration of the lifting device until the latter is moved upwardly on the member 11 for a fresh hold.' In this mannerfthe upper bar 16 is made to bear up against'the form to be supported and when suiiicient pressure has been applied, thev nut 31 is turned by means of the handle 32 to'clamp'the gripping yokes securely in engagement with the member l1. AThe vdevice may then be left without fear of any slipping between the members 10V and 11, or yielding of the structure, which is substantial in all its parts. 1f desired, the bar 16 of member 10 andthe foot 18 of member 11 may be temporarily nailed in place, the former to the girderorbeam and the latter to the flooring `to*,prevent'inadvertent displacement of the c shore.

The use of wood' material for the member 10 and the arrangement of this member as the top of the shore, according to the form which is preferredalthough not obligatory7 lpermits 'the nailing of bracing betweenit.

and the girder or other form to be supported. The use of a metal lower member 10 affords aneifective and durable surface for cooperation withV the gripping yolres. The

construction of the latter is such, as will be that theg'reater'the load theimore evident, securely will they grip. i i

VThe arrangement of the clamping device in engagement with vthe parts 14; and 15 of the memberlO has'thev advantage of further strengthening and supporting themv while theV construction lof'this devicel affords the further important features of Ybeing easily operated by hand without the usetof a wrench or other tool, and of beingreadily accessible and convenient to theiworkman setting Vup the shore. Y v

I cla-im as my invention:

1. An adjustable shore comprising a pair of relatively movable members, a pair of gripping yokes pivoted to one of said mem- 1 bers, said yokes being pivotally connected to each other and adapted `-to engage opposite sides of the other of said members, and a securing device in engagement with one of said members and rarranged to coperate with said yokes to insure gripping action thereof. i

'2. An adjustablershore comprising a pair of relatively movable members one of which is provided with parts' movable relatively to ,each other and disposed on oppositesides of the other member, gripping yokes pivoted to saidl opposite parts, said yokes being pivotally connected to each other and adapted to engage opposite sides of the other of said members, and a securing device for moving said opposite parts relatively to each other and insuringgripping action of said yokes.

r3. An adjustable shore comprising a pair of relatively movable members one of which is provided with parts movable relatively Yto each other and disposed on-'op'posite sides of the other member, grippingv yokes pivoted to said' opposite parts, said yokes being pivotally' connected to each other andadapted to engage opposite` sides of the other of said members, a clamping device engaging said opposite parts for moving them relatively to each othe'rfand insuring grip- 4.r An adjustable shore comprising `spaced gitudinally movablerelativelythereto, guide-k ing means (for. maintaining the relative po-` sitions of y"said parts and Imembers during relative Vmovement thereoi,Y grippingyokesl Vbers in one direction, and an adjustable pivotedfto said parts' and toeach other and adapted to, engage said member, and a bolt-fl connecting said partshaving a manually operable nut for drawing the latter` together to insure gripping action ofsaidyokes'on said member.

5. An adjustableshore .comprisingk a 4pair n nally of each other, a

pivotally connected to each other and to'the/ ative longitudinal Vmovement ofsad memlocking device for applying additional force of`members relatively movable longitudiil` K pairl of clamping yokes adapted; for 'sgrippmg opposite sides kof one ofl said "members, said yokes being 20 other of said members whereby they tend t to grip the first mentioned member upon 'rel-' to said yokes to turn them positively about (their common pivot and .insure andmaintain said gripping engagement thereof With` thek Y first mentioned member. Y

- HENRY W.noos. 

